凹凸 (āo tū) — uneven, bumpy (with concave and convex spots)

Definition

Examples

• 这条路的表面凹凸不平，开车时要小心。
  Zhè tiáo lù de biǎo miàn āo tū bù píng, kāi chē shí yào xiǎo xīn.
  The surface of this road is bumpy, be careful when driving.
• 他的感情经历有凹凸，但他很坚强。
  Tā de gǎn qíng jīng lì yǒu āo tū, dàn tā hěn jiān qiáng.
  His emotional experiences have ups and downs, but he is strong.
• 这块石头表面凹凸，可以当按摩工具。
  Zhè kuài shí tou biǎo miàn āo tū, kě yǐ dāng àn mó gōng jù.
  This stone has a bumpy surface, can be used as a massage tool.

Origin